Reliability of heart rate variability threshold and parasympathetic reactivation after a submaximal exercise test
AUTOR(ES)
Cruz, Carlos Janssen Gomes da, Rolim, Paloma da Silva, Pires, Deleon de Souza, Mendes, Christopher Marcos Oliveira, Paula, Gabriel Monteiro de, Porto, Luiz Guilherme Grossi, Garcia, Giliard Lago, Molina, Guilherme Eckhardt
FONTE
Motriz: rev. educ. fis.
DATA DE PUBLICAÇÃO
2017-03
RESUMO
Abstract The objective of this study was to evaluate reproducibility of heart rate variability threshold (HRVT) and parasympathetic reactivation in physically active men (n= 16, 24.3 ± 5.1 years). During the test, HRVT was assessed by SD1 and r-MSSD dynamics. Immediately after exercise, r-MSSD was analyzed in segments of 60 seconds for a period of five minutes. High absolute and relatively reproducible analysis of HRVT were observed, as assessed by SD1 and r-MSSD dynamics (ICC = 0.92, CV = 10.8, SEM = 5.8). During the recovery phase, a moderate to high reproducibility was observed for r-MSSD from the first to the fifth minute (ICC = 0.69-0.95, CV = 7.5-14.2, SEM = 0.07-1.35). We conclude that HRVT and r-MSSD analysis after a submaximal stress test are highly reproducible measures that might be used to assess the acute and chronic effects of exercise training on cardiac autonomic modulation during and/or after a submaximal stress test.
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